Home / 881,467.20-1,322,200.80-432,476.10

Finding the Fourth Proportional to 881,467.20, 1,322,200.80 and 432,476.10

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Solution

The fourth proportional to 881,467.20, 1,322,200.80 and 432,476.10 is: 648,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,467.20 : 1,322,200.80 = 432,476.10 : x
  2. Step 2: Convert to fraction form
    881,467.20/1,322,200.80 = 432,476.10/x
  3. Step 3: Cross multiply
    881,467.20x = 1,322,200.80 × 432,476.10
  4. Step 4: Simplify right side
    881,467.20x = 571,820,245,400.88
  5. Step 5: Solve for x
    x = 571,820,245,400.88/881,467.20
  6. Step 6: Final answer
    x = 648,714.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.